47results about How to "Good shielding protection" patented technology

The invention relates to the field of agricultural equipment, in particular to an easy-to-use combined high-efficiency beekeeping box, an easy-to-use combined high-efficiency beekeeping box, comprising a base, an anti-ant component, a beehive and a shielding component. In the ant component, a beehive is placed on the upper part of the base, and a shielding component is detachably arranged on the upper part of the beehive; the four corners of the bottom of the base are fixed with legs, and the anti-ant components are fixed on the legs. Epidemic prevention part, the epidemic prevention part of the outrigger is arranged at the bottom of the outrigger, and the epidemic prevention part of the outrigger is arranged in the middle part of the outrigger; the beehive is a barrel-shaped structure, a honeycomb cavity is arranged in the beehive shell, a longitudinal filter screen is arranged in the beehive shell, and a longitudinal filter screen is arranged in the beehive shell. The horizontal filter screen is vertically fixed in the middle, the longitudinal filter screen and the horizontal filter screen divide the honeycomb into four beekeeping areas, the two ends of the beehive shell are provided with beehive covers, and the ends of the beehive cover and the beehive shell are provided with entrance and exit gaps; the structure of the present invention Reasonable, convenient to use, and high productivity of the honeycomb.

The invention discloses a closed type power switch device, which relates to the technical field of power switches. Aiming at the problem that the existing button power switch adopts a latch as a safety lock, which is relatively simple and falls off, and the buttons are exposed, and there are no well-taught protection measures , the following scheme is now proposed, including the box body, the front wall of the box body is provided with fixing holes, the bottom inner wall of the box body is welded with a first guide rod, and the outer movable sleeve of the first guide rod is provided with two A connecting block, a movable rod is welded on the connecting block, a baffle is welded on the sides of the two movable rods close to each other, and a spring connected with the movable rod is arranged under the baffle. The invention is novel in design and simple in operation. The whole device is protected by being installed in the box. When in use, the opening of the fixing hole and the change of the height of the main body of the key switch can be adjusted, so that it is convenient for users to use and has better shielding protection for the main body of the key switch. Effect.

The invention discloses a kitchen oil barrier baffle. The kitchen oil barrier baffle comprises mounting frames, lead screws, guide rails, nuts, sliding rods, baffle bodies and motors. The left end of each lead screw is movably connected to the first mounting frame, and the right end of each lead screw penetrates through the second mounting frame and is connected to an output shaft of the corresponding motor. The motors are mounted at the right outer end of the second mounting frame. The two ends of each guide rail are fixedly connected to the two mounting frames correspondingly. The guide rails are located above the corresponding lead screws. The nuts are arranged on the corresponding lead screws. The sliding rods are arranged between the corresponding nuts and the corresponding guide rails. The baffle bodies are arranged at the lower ends of the corresponding nuts. The kitchen oil barrier baffle can well protect persons, the baffle bodies can be adjusted, the shielding protection effect is good, and the persons are effectively protected against harm.

The invention relates to a preparation method of redispersible fluorine-containing polymer latex powder, belonging to the field of polymer material preparation. The preparation method is realized through the following steps: using a fluorine-containing macromolecule containing a hydrophilic group as a chain transfer agent, polymerizing a monomer, a fluorine-containing macromolecular chain transfer agent containing a hydrophilic group, an initiator, and a solvent, and the reaction is completed Afterwards, the carbon dioxide is vaporized and recovered to obtain powdered redispersible fluorine-containing polymer latex powder; the solvent is liquid or supercritical carbon dioxide. The controllable polymerization technology is adopted, the operation is simple, the reaction conditions are mild, and the molecular weight and molecular structure of the obtained polymer are controllable, which endows the redispersible latex powder with more excellent performance and dispersion stability.